package com.rsjgroup.water.mapper;

import com.rsjgroup.water.pojo.User;
import org.apache.ibatis.annotations.Mapper;

@Mapper
public interface UserMapper {
    //修改头像
    Integer updateAvatar(User user);
    //修改用户名
    Integer updateUsername(User user);
    //通过用户id查询用户是否存在
    User findUserByUid(Integer uid);

}
